diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/vdso.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index 89b2e7f1b7a..7b76ee4fb16 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -53,8 +53,19 @@ unsigned int __read_mostly vdso_enabled = 1; static int __init vdso_setup(char *s) { - vdso_enabled = simple_strtoul(s, NULL, 0); - return 1; + unsigned long val; + int rc; + + rc = 0; + if (strncmp(s, "on", 3) == 0) + vdso_enabled = 1; + else if (strncmp(s, "off", 4) == 0) + vdso_enabled = 0; + else { + rc = strict_strtoul(s, 0, &val); + vdso_enabled = rc ? 0 : !!val; + } + return !rc; } __setup("vdso=", vdso_setup); |